(pharmacology) a book containing a compilation of pharmaceutical products with their formulas and methods of preparation; "postexposure prophylaxis is an integral part of the pharmacopeia in preventing severe disease after acute infections"
a wave resulting from the periodic flow of the tides that is caused by the gravitational attraction of the moon and sun
an unusual (and often destructive) rise of water along the seashore caused by a storm or a combination of wind and high tide
an overwhelming manifestation of some emotion or phenomenon; "a tidal wave of nausea"; "the flood of letters hit him with the force of a tidal wave"; "a tidal wave of crime"
(of a clause) unable to stand alone syntactically as a complete sentence; "a subordinate (or dependent) clause functions as a noun or adjective or adverb within a sentence"
for or by a group rather than individuals; "dipping each his bread into a communal dish of stew"- Paul Roche; "a communal settlement in which all earnings and food were shared"; "a group effort"
relating to a small administrative district or community; "communal elections in several European countries"